69286420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{494903}}^1$

素因数の和:494919

約数の個数: 24

約数和(自身を含む): 166287744

約数和(自身を除く): 97001324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 494903, 989806, 1979612, 2474515, 3464321, 4949030, 6928642, 9898060, 13857284, 17321605, 34643210, 69286420]

約数ペア:

[(1, 69286420), (2, 34643210), (4, 17321605), (5, 13857284), (7, 9898060), (10, 6928642), (14, 4949030), (20, 3464321), (28, 2474515), (35, 1979612), (70, 989806), (140, 494903)]